/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2023 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "usart.h"
#include "usb_device.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "USB_KEYBOARD.h"
#include "string.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
uint8_t USBD_HID_SendReport(USBD_HandleTypeDef  *pdev,uint8_t *report,uint16_t len);

extern USBD_HandleTypeDef hUsbDeviceFS;
/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
uint8_t USB_buff[8];
uint8_t USART1_rec = 0;
uint8_t USART1_buff_yk[20] = {0};
uint8_t USART1_buff_phb[10] = {0};

static uint8_t rx_st = 0;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_USART1_UART_Init();
  MX_USB_DEVICE_Init();
  MX_USART2_UART_Init();
  /* USER CODE BEGIN 2 */
	HAL_UART_Receive_IT(&huart1,(uint8_t*)&USART1_rec,1);
	//HAL_UART_Receive_IT(&huart2,(uint8_t*)&USART2_rec,1);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
		USBD_HID_SendReport(&hUsbDeviceFS,USB_buff,8);
		HAL_Delay(20);

  }
  /* USER CODE END 3 */
}

/**

  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
  PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
	static int cnt1 = 0,cnt2 = 0;
	if(huart->Instance == USART1)
	{
		if(rx_st == 0)
		{
			if(USART1_rec == 'Y')
				rx_st = 1;
			else if(USART1_rec == 'P')
				rx_st = 2;
		}
		
		if(rx_st == 2)
		{
			USART1_buff_phb[cnt2++] = USART1_rec;
			if(USART1_rec == '\n')
			{
				cnt2 = 0;
				if(USART1_buff_phb[1] == 'L')	
				{
					USB_buff[4] = KB_LARROW;
					USB_buff[5] = 0x00;
				}
					else USB_buff[4] = 0x00;
				if(USART1_buff_phb[1]=='R')	
				{
					USB_buff[5] = KB_RARROW;
					USB_buff[4] = 0x00;
				}
					else USB_buff[5] = 0x00;
				
				memset(USART1_buff_phb,0,strlen((const char*)USART1_buff_phb));
				rx_st = 0;
			}
			
		}
		
		if(rx_st == 1)
		{
			USART1_buff_yk[cnt1++] = USART1_rec;
			if(USART1_rec == '\n')
			{
				cnt1 = 0;
				if(USART1_buff_yk[8]=='1')	USB_buff[2] = KB_UARROW;
					else USB_buff[2] = 0x00;	
				if(USART1_buff_yk[7]=='1')	USB_buff[3] = KB_DARROW;
					else USB_buff[3] = 0x00;
					
				
				if(USART1_buff_yk[6]=='1')
				{
					USB_buff[4] = KB_LARROW;
					USB_buff[5] = 0x00;
				}
					else USB_buff[4] = 0x00;
				if(USART1_buff_yk[5]=='1')	
				{
					USB_buff[5] = KB_RARROW;
					USB_buff[4] = 0x00;
				}
					else USB_buff[5] = 0x00;
				
				if(USART1_buff_yk[1]=='1')	printf("GAME\n");//USB_buff[2] = KB_J;
					else USB_buff[6] = 0x00;
				if(USART1_buff_yk[2]=='1')	printf("VOICE\n");//USB_buff[3] = KB_K;
					else USB_buff[7] = 0x00;
				
					
				if(USART1_buff_yk[4]=='1')	printf("START\n");//USB_buff[6] = KB_SPACE;
					//else USB_buff[6] = 0x00;
				if(USART1_buff_yk[3]=='1')	printf("END\n");//USB_buff[7] = KB_ENTER;
					//else USB_buff[7] = 0x00;
				
				memset(USART1_buff_yk,0,strlen((const char*)USART1_buff_yk));
				
				rx_st = 0;
			}
		}
		
		HAL_UART_Receive_IT(&huart1,(uint8_t*)&USART1_rec,1);
	}
	
}
/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */    
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
